What is a chargeback reversal?

Also known as a ‘Reversal Acceptance,’ a chargeback reversal is a notice that the dispute representment submitted to a an issuer has been reversed and a temporary credit has been issued to the merchant account.

This indicates you have won a dispute in the chargeback stage or in second presentment under MasterCard. However, the credit may only be temporary as the cardholder has additional dispute rights and may push the dispute to arbitration.